64766643

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 93671424

約数和(自身を除く): 28904781

約数列:

[1, 3, 23, 43, 69, 83, 129, 249, 263, 789, 989, 1909, 2967, 3569, 5727, 6049, 10707, 11309, 18147, 21829, 33927, 65487, 82087, 246261, 260107, 502067, 780321, 938647, 1506201, 2815941, 21588881, 64766643]

約数ペア:

[(1, 64766643), (3, 21588881), (23, 2815941), (43, 1506201), (69, 938647), (83, 780321), (129, 502067), (249, 260107), (263, 246261), (789, 82087), (989, 65487), (1909, 33927), (2967, 21829), (3569, 18147), (5727, 11309), (6049, 10707)]